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Image Credit: Powertech Engineers | CS Marine Constructors, Inc.

Cable laying services install fiber optic cable or copper cable in buildings and office complexes, or over large distances. They are staffed by cable technicians who perform cable preparation, jointing, termination, testing, commissioning, maintenance, and troubleshooting tasks.

Cable Laying Service Capabilities

Cable laying services differ in terms of capabilities.

  • Cable laying services for low voltage (LV), medium voltage (MV), and/or high voltage (HV) lines is often offered by power companies.
  • Fiber optic cables can be blown into ducts and micro-ducts within buildings by telecommunications companies.
  • Information technology (IT) services install cables for data and voice communication networks.

Some cable laying services can help select cables for an application.

Specifications

Cable laying services can be chosen based on specifications. Specifications are unique to the type of cable required.

  • Specifications for coaxial cables and tri-axial cables include impedance, attenuation, outer diameter, insulation, cable weight, and materials of construction.

  • Specifications for fiber optic cables include cable type, wavelength, numerical aperture, maximum attenuation, and bending radius.

Cable Laying Service Equipment

Cable laying services use many different types of equipment.

  • Cable laying services that specialize in underground service cable connections often use trenchers with rock wheels and backhoes. Trenchless equipment such horizontal directional drills (HDD) and vacuum excavators are also available.
  • Cable drums are devices that are used to spool specific lengths of line from a supply roll or coil. Aluminum roller rails are also used for spooling.
  • Ring spoolers have a length-counting mechanism that allows cable technicians to make direct measurements of cable lengths during pulling.
  • Cable grips maintain uniform cable tension and prevent accidental damage installation.
  • Marine cable laying services drag, tow, lay, bury and retrieve cables along the ocean floors. They use special cable-laying shipsthat are equipped with remote operated vehicles (ROV), unmanned subsea vessels that have a video camera and articulated arms. Marine cable laying services need to understand how ocean currents, bathymetry, cable properties and other environmental variables affect a cable’s shape over time.

Video Credit: SeacomLive

  • Cable burying machines are used along heavily-traveled routes where trawling nets or ship anchors can damage power or communication lines.
  • Submersible robots are designed for applications in which cable laying and cable burying tasks cannot be performed simultaneously. Typically, submarine cables are dispensed from a cable tank with a cable feeder.
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Emerson Network Power / Liebert Power & Cooling
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Emerson Network Power / Liebert Power & Cooling
Emerson Network Power / Liebert Power & Cooling
Emerson Network Power / Liebert Power & Cooling